I commonly look out for event ideas which are unusual and out of the box. I learned that Youtube is without a doubt a great source of this kind of tips. All you need to do is visit Youtube and do a search for "birthday party ideas" and you can see hours worth of movies with numerous exceptional points. The problem is, who has the amount of time to watch them all? Thus I am on a constant mission to collect some details so as to save me and perhaps others some time.
Here is an awesome video with some insane party ideas - https://www.youtube.com/watch?v=wUlJSgYGmFw
I hope you see some good ideas for your next gathering on Youtube!